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authorUlrich Weigand <uweigand@de.ibm.com>2010-07-06 12:56:24 +0000
committerUlrich Weigand <uweigand@de.ibm.com>2010-07-06 12:56:24 +0000
commitf9e9243aad66a7923e30c61cd1749623fa568f79 (patch)
treec7ccf41dd950d38c46f54b59a3641f08c880891e /gdb/gdbarch.c
parent50248c890f1bc82c6e1751bd549da7580c60f098 (diff)
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include/ChangeLog:
2010-07-06 Ken Werner <ken.werner@de.ibm.com> * floatformat.h (floatformat_ieee_half_big): Add declaration. (floatformat_ieee_half_little): Likewise. libiberty/ChangeLog: 2010-07-06 Ken Werner <ken.werner@de.ibm.com> * floatformat.c (floatformat_ieee_half_big): New variable. (floatformat_ieee_half_little): Likewise. gdb/ChangeLog: 2010-07-06 Ken Werner <ken.werner@de.ibm.com> * gdbtypes.h (floatformats_ieee_half): Add declaration. * gdbtypes.c (floatformats_ieee_half): New variable. * doublest.c (floatformat_from_length): Set format to gdbarch_half_format if length matches. * gdbarch.sh (half_bit): New architecture method. (half_format): Likewise. * gdbarch.h: Regenerate. * gdbarch.c: Likewise.
Diffstat (limited to 'gdb/gdbarch.c')
-rw-r--r--gdb/gdbarch.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index bf41ab3..103abcb 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -145,6 +145,8 @@ struct gdbarch
int int_bit;
int long_bit;
int long_long_bit;
+ int half_bit;
+ const struct floatformat ** half_format;
int float_bit;
const struct floatformat ** float_format;
int double_bit;
@@ -293,6 +295,8 @@ struct gdbarch startup_gdbarch =
8 * sizeof (int), /* int_bit */
8 * sizeof (long), /* long_bit */
8 * sizeof (LONGEST), /* long_long_bit */
+ 16, /* half_bit */
+ 0, /* half_format */
8 * sizeof (float), /* float_bit */
0, /* float_format */
8 * sizeof (double), /* double_bit */
@@ -451,6 +455,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
gdbarch->int_bit = 4*TARGET_CHAR_BIT;
gdbarch->long_bit = 4*TARGET_CHAR_BIT;
gdbarch->long_long_bit = 2*gdbarch->long_bit;
+ gdbarch->half_bit = 2*TARGET_CHAR_BIT;
gdbarch->float_bit = 4*TARGET_CHAR_BIT;
gdbarch->double_bit = 8*TARGET_CHAR_BIT;
gdbarch->long_double_bit = 8*TARGET_CHAR_BIT;
@@ -562,6 +567,9 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of int_bit, invalid_p == 0 */
/* Skip verify of long_bit, invalid_p == 0 */
/* Skip verify of long_long_bit, invalid_p == 0 */
+ /* Skip verify of half_bit, invalid_p == 0 */
+ if (gdbarch->half_format == 0)
+ gdbarch->half_format = floatformats_ieee_half;
/* Skip verify of float_bit, invalid_p == 0 */
if (gdbarch->float_format == 0)
gdbarch->float_format = floatformats_ieee_single;
@@ -935,6 +943,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
"gdbarch_dump: get_syscall_number = <%s>\n",
host_address_to_string (gdbarch->get_syscall_number));
fprintf_unfiltered (file,
+ "gdbarch_dump: half_bit = %s\n",
+ plongest (gdbarch->half_bit));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: half_format = %s\n",
+ pformat (gdbarch->half_format));
+ fprintf_unfiltered (file,
"gdbarch_dump: has_dos_based_file_system = %s\n",
plongest (gdbarch->has_dos_based_file_system));
fprintf_unfiltered (file,
@@ -1375,6 +1389,39 @@ set_gdbarch_long_long_bit (struct gdbarch *gdbarch,
}
int
+gdbarch_half_bit (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ /* Skip verify of half_bit, invalid_p == 0 */
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_half_bit called\n");
+ return gdbarch->half_bit;
+}
+
+void
+set_gdbarch_half_bit (struct gdbarch *gdbarch,
+ int half_bit)
+{
+ gdbarch->half_bit = half_bit;
+}
+
+const struct floatformat **
+gdbarch_half_format (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_half_format called\n");
+ return gdbarch->half_format;
+}
+
+void
+set_gdbarch_half_format (struct gdbarch *gdbarch,
+ const struct floatformat ** half_format)
+{
+ gdbarch->half_format = half_format;
+}
+
+int
gdbarch_float_bit (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);